Postinor 2 is an emergency contraceptive only. Postinor-2 is not intended as a regular method of contraception. It is used to prevent pregnancy when taken within 72 hours of unprotected intercourse. It is estimated that Postinor-2 will prevent 85% of expected pregnancies. 95% of expected pregnancies will be prevented if taken within the first 24 hours, declining to 58% if taken between 48 hours and 72 hours after unprotected intercourse. It is not known whether Postinor-2 is effective if taken more than 72 hours after unprotected intercourse.
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BEFORE YOU TAKE POSTINOR 2
Before you start treatment with Postinor 2, your doctor or pharmacist should:
- Check you are not already pregnant if he/she suspects you may already have been pregnant before this occurrence of unprotected intercourse
- Ask you if you are taking any other medicines (see Taking other medicines)
- Ask if you suffer from high blood pressure
- Advise you of the need for careful use of a barrier method of contraception until you have your next period
- Advise you to see your doctor in three weeks time, especially if you have not had a period by then
- Discuss the need for regular contraception
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